Merge pull request #9425 from Ty-Omaha/weewoo3

Adds a siren to the Ambulance

code/modules/vehicle/ambulance.dm

@@ -4,7 +4,59 @@
 	icon_state = "docwagon2"
 	keytype = /obj/item/key/ambulance
 	var/obj/structure/stool/bed/amb_trolley/bed = null
+	var/datum/action/ambulance_alarm/AA
+	var/datum/looping_sound/ambulance_alarm/soundloop
 
+/obj/vehicle/ambulance/New()
+	. = ..()
+	AA = new(src)
+	soundloop = new(list(src), FALSE)
+
+/datum/action/ambulance_alarm
+	name = "Toggle Sirens"
+	icon_icon = 'icons/obj/vehicles.dmi'
+	button_icon_state = "docwagon2"
+	check_flags = AB_CHECK_RESTRAINED | AB_CHECK_STUNNED | AB_CHECK_LYING | AB_CHECK_CONSCIOUS
+	var/toggle_cooldown = 40
+	var/cooldown = 0
+
+	
+/datum/action/ambulance_alarm/Trigger()
+	if(!..())
+		return FALSE
+		
+	var/obj/vehicle/ambulance/A = target
+
+	if(!istype(A) || !A.soundloop)
+		return FALSE
+
+	if(world.time < cooldown + toggle_cooldown)
+		return FALSE
+
+	cooldown = world.time
+
+	if(A.soundloop.muted)
+		A.soundloop.start()
+		A.set_light(4,3,"#F70027")
+	else
+		A.soundloop.stop()
+		A.set_light(0)
+
+		
+/datum/looping_sound/ambulance_alarm
+    start_length = 0
+    mid_sounds = list('sound/items/WEEOO1.ogg' = 1)
+    mid_length = 14
+    volume = 100
+
+
+/obj/vehicle/ambulance/post_buckle_mob(mob/living/M)
+    . = ..()
+    if(has_buckled_mobs())
+        AA.Grant(M)
+    else
+        AA.Remove(M)
+	
 
 /obj/item/key/ambulance
 	name = "ambulance key"
@@ -56,4 +108,4 @@
 			to_chat(usr, "You unhook the bed to the ambulance.")
 		else
 			amb.bed = src
-			to_chat(usr, "You hook the bed to the ambulance.")
+			to_chat(usr, "You hook the bed to the ambulance.")